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Finding the Fourth Proportional to 602,288.69, 831,156.14 and 372,800.27

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Solution

The fourth proportional to 602,288.69, 831,156.14 and 372,800.27 is: 514,462.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,288.69 : 831,156.14 = 372,800.27 : x
  2. Step 2: Convert to fraction form
    602,288.69/831,156.14 = 372,800.27/x
  3. Step 3: Cross multiply
    602,288.69x = 831,156.14 × 372,800.27
  4. Step 4: Simplify right side
    602,288.69x = 309,855,231,540.16
  5. Step 5: Solve for x
    x = 309,855,231,540.16/602,288.69
  6. Step 6: Final answer
    x = 514,462.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.